A connection structure for a flexible photovoltaic support

Abstract

The utility model relates to flexible photovoltaic support technical field especially relates to a kind of connecting structure for flexible photovoltaic support, including north-south bearing cable, photovoltaic module and Z-shaped support, wherein, north-south bearing cable includes two parallelly arranged cable body, and the lower side of photovoltaic module left and right sides is located respectively;The left and right sides of photovoltaic module rear end, the left and right sides of front end are all fixed with Z-shaped support;Z-shaped support bottom is fixed on the corresponding side north-south bearing cable;The overall height of the Z-shaped support of photovoltaic module rear end is greater than the overall height of the Z-shaped support of front end, so that photovoltaic module forms the installation inclination angle of southward inclination.The utility model proposes a kind of connecting structure for flexible photovoltaic support, and the installation inclination angle of photovoltaic module is formed by four Z-shaped supports and two north-south running cable body, so that the cable body quantity of entire photovoltaic system is less, can effectively reduce the transportation difficulty of material, and promote construction speed.

Description

Technical Field

[0001] This utility model relates to the field of flexible photovoltaic support technology, and in particular to a connection structure for flexible photovoltaic supports. Background Technology

[0002] A flexible photovoltaic (PV) support system is a support system fixed at both ends and designed based on a tension structure. High-strength cables serve as the main load-bearing components, and the height difference between the cables creates the southward tilt angle of the PV modules. For example, utility model publication CN219304735U discloses a flexible PV support system and a PV power generation system.

[0003] As described above, when this type of support is applied to narrow, north-south oriented terrain (such as valleys, ravines, or along transportation routes), the photovoltaic array needs to be arranged in a north-south direction. To achieve a southward tilt angle for the photovoltaic modules, at least four load-bearing cables need to be installed at the bottom of each row of photovoltaic panels in the north-south direction for support. Two of these load-bearing cables are installed at a higher position, and the other two are placed at a lower position, creating a height difference in the north-south direction. The upper end of the photovoltaic module is fixed to the higher load-bearing cable, and the lower end is fixed to the lower load-bearing cable. This height difference causes the entire module to tilt southward.

[0004] However, existing support structures require each row of photovoltaic modules to be equipped with multiple cables, resulting in a huge amount of cable material needed and significantly increasing the difficulty of material transportation. Especially in complex sites such as mountainous and hilly areas with inconvenient transportation, narrow roads, or large terrain undulations, the transportation and on-site handling of a large number of cables are extremely difficult, severely restricting the construction progress. Utility Model Content

[0005] In view of this, this utility model proposes a connection structure for flexible photovoltaic support, which forms the installation tilt angle of the photovoltaic module through four Z-shaped supports and two north-south oriented cables. This reduces the number of cables in the entire photovoltaic system, effectively reducing the difficulty of material transportation and improving construction speed. It solves the problem that the existing flexible photovoltaic support structure requires a large number of cables, which leads to the difficulty of material transportation and slow construction speed.

[0006] The technical solution of this utility model is implemented as follows:

[0007] This utility model provides a connection structure for flexible photovoltaic brackets, including north-south oriented load-bearing cables, photovoltaic modules, and Z-shaped brackets, wherein...

[0008] The north-south load-bearing cable includes two parallel cable bodies, located below the left and right sides of the photovoltaic module, respectively;

[0009] The Z-shaped brackets are fixed on the left and right sides of the rear end and the left and right sides of the front end of the photovoltaic module.

[0010] The bottom of the Z-shaped bracket is fixed to the north-south load-bearing cable on the corresponding side;

[0011] The overall height of the Z-shaped bracket at the rear end of the photovoltaic module is greater than the overall height of the Z-shaped bracket at the front end, causing the photovoltaic module to form an installation tilt angle facing south.

[0012] Based on the above technical solution, preferably, the top of the Z-shaped bracket is fixed with a pressure plate by bolts, and the bottom is fixed with a U-shaped buckle by bolts.

[0013] The edge region of the photovoltaic module is clamped and fixed between the Z-shaped bracket and the pressure plate;

[0014] The cable is clamped and fixed between the Z-shaped bracket and the U-shaped buckle.

[0015] Based on the above technical solutions, preferably, the Z-shaped bracket includes a vertical plate, a top plate, and a bottom plate, wherein,

[0016] The upper end of the upright plate is bent forward to form the top plate, and the lower end is bent backward to form the bottom plate;

[0017] Bolt mounting holes are provided on the top plate, the bottom plate, the pressure plate, and the U-shaped buckle.

[0018] Based on the above technical solutions, preferably, the Z-shaped bracket includes a vertical plate, a top plate, and a bottom plate, wherein,

[0019] The upper front side of the upright plate is hinged to the top plate, and the lower end is bent backward to form the bottom plate;

[0020] Bolt mounting holes are provided on the top plate, the bottom plate, the pressure plate, and the U-shaped buckle.

[0021] Based on the above technical solutions, preferably, the upper end of the upright plate is provided with a groove, and the rear end of the top plate is provided with a protrusion, wherein...

[0022] The protrusion is located inside the groove and is hinged by a pivot.

[0023] Based on the above technical solution, preferably, the bottom of the base plate is provided with two rows of ball bearings, wherein,

[0024] The two rows of balls are parallel to the cable body;

[0025] The top of the cable is positioned between the two rows of balls and rolls in engagement.

[0026] Based on the above technical solution, preferably, a ball groove is provided at the bottom of the base plate corresponding to the position of the ball, wherein...

[0027] The ball bearings roll in conjunction with the ball grooves.

[0028] Based on the above technical solutions, preferably, the inner surface of the U-shaped buckle is provided with a friction-reducing coating.

[0029] Based on the above technical solutions, preferably, the bottom surface of the pressure plate is provided with anti-slip texture.

[0030] Based on the above technical solutions, preferably, the side of the Z-shaped bracket located at the rear end of the photovoltaic module is provided with reinforcing ribs.

[0031] The connection structure for flexible photovoltaic supports of this utility model has the following advantages over the prior art:

[0032] (1) By setting up Z-shaped supports with different heights at the front and rear ends to form a south-facing installation angle for the photovoltaic modules, compared with the existing technology that requires four or more cables per row of photovoltaic modules, this structure significantly reduces the amount of cables used per row of photovoltaic modules, greatly reducing the difficulty of material transportation and on-site handling. It is especially suitable for sites with inconvenient transportation and complex terrain, such as mountainous and hilly areas, effectively improving construction efficiency and shortening the construction period. At the same time, the overall cable material usage of the system is reduced, significantly reducing the self-weight of the support after completion, alleviating the requirements for the foundation bearing capacity, and further reducing the difficulty of foundation construction.

[0033] (2) By connecting the top plate and the vertical plate with a hinge, the Z-shaped bracket has a certain angle adjustment capability, which makes it easy to finely adjust the tilt angle of the photovoltaic module or the tension of the cable according to actual needs during the installation process, thereby improving the adaptability and installation flexibility of the bracket structure and making it suitable for installation environments with uneven terrain.

[0034] (3) By setting two rows of ball bearings at the bottom of the Z-shaped bracket and forming a rolling fit with the cable body, and setting a friction-reducing coating on the inner surface of the U-shaped cable buckle, the friction resistance of the Z-shaped bracket sliding along the cable body is significantly reduced, which facilitates the sliding and positioning of the photovoltaic module and its Z-shaped bracket on the cable body during the installation process. The operation is labor-saving and efficient, especially suitable for installation scenarios with long spans or large slopes, which significantly improves the convenience of construction and the safety of operation. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1This is a perspective view of a connection structure for a flexible photovoltaic support according to the present invention;

[0037] Figure 2 for Figure 1 A partial 3D view;

[0038] Figure 3 for Figure 1 A partial exploded view;

[0039] Figure 4 A 3D view of the Z-shaped bracket;

[0040] Figure 5 This is a schematic diagram of the bottom structure of the Z-shaped bracket;

[0041] Figure 6 This is a schematic diagram of the mating structure between the ball bearing and the cable.

[0042] In the diagram: 1. North-South load-bearing cable; 2. Photovoltaic module; 3. Z-shaped bracket; 4. Pressure plate; 5. U-shaped cable buckle; 11. Cable body; 31. Vertical plate; 32. Top plate; 33. Bottom plate; 34. Rotating shaft; 35. Ball bearing; 301. Reinforcing rib; 3101. Groove; 3201. Protrusion; 3301. Bead groove. Detailed Implementation

[0043] The technical solutions of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0044] like Figure 1-6 As shown, the present invention provides a connection structure for a flexible photovoltaic support, comprising a north-south load-bearing cable 1, a photovoltaic module 2, and a Z-shaped support 3.

[0045] The north-south load-bearing cable 1 comprises two parallel cable bodies 11, located below the left and right sides of the photovoltaic module 2, respectively, serving as the main load-bearing structure. Z-shaped brackets 3 are fixed to the left and right sides of the rear end and the left and right sides of the front end of the photovoltaic module 2. The bottom of the Z-shaped brackets 3 is fixed to the corresponding north-south load-bearing cable 1. The overall height of the Z-shaped brackets 3 at the rear end of the photovoltaic module 2 is greater than that at the front end; this height difference creates a southward tilt angle for the photovoltaic module 2.

[0046] Figure 1In this structure, the front of the photovoltaic module 2 faces south, and the rear faces north. Each row of photovoltaic modules 2 requires only two north-south oriented cable bodies 11 at its bottom, which, together with the Z-shaped bracket 3, enable the installation of the photovoltaic modules 2. Compared to existing technologies (photovoltaic flexible brackets and photovoltaic power generation systems, authorization announcement number CN219304735U), which require four or more cable bodies 11 per row, this significantly reduces the amount of cable material used. The reduced cable material usage greatly reduces the difficulty of material transportation and on-site handling, making it particularly suitable for sites with inconvenient transportation and complex terrain, such as mountainous and hilly areas, effectively improving construction efficiency and shortening the construction cycle. Simultaneously, the overall system weight is reduced, lowering the requirements for foundation bearing capacity and reducing foundation engineering and construction costs.

[0047] In the above connection structure, the top of the Z-shaped bracket 3 is fixed with a pressure plate 4 by bolts, and the bottom is fixed with a U-shaped cable buckle 5 by bolts. The edge area of ​​the photovoltaic module 2 is clamped and fixed between the Z-shaped bracket 3 and the pressure plate 4. The cable body 11 is clamped and fixed between the Z-shaped bracket 3 and the U-shaped cable buckle 5.

[0048] The clamping structure uses standardized bolt connections, which are convenient to install and disassemble, facilitating rapid on-site assembly and subsequent maintenance. This improves the modularity and construction efficiency of the system while ensuring the strength and stability of the connection nodes.

[0049] In this structure, the Z-shaped bracket 3 includes a vertical plate 31, a top plate 32, and a bottom plate 33. The upper end of the vertical plate 31 is bent forward to form the top plate 32, and the lower end is bent backward to form the bottom plate 33. The top plate 32, the bottom plate 33, the pressure plate 4, and the U-shaped buckle 5 are all provided with bolt mounting holes for connecting the pressure plate 4 and the U-shaped buckle 5.

[0050] Among them, the Z-shaped bracket 3 is an integral bending and forming structure, which is simple in structure, high in strength, easy to mass-produce, and reduces the quality risks caused by welding or splicing.

[0051] In addition, the Z-shaped bracket 3 can also adopt another structural form, specifically, such as Figure 5 As shown, the Z-shaped bracket 3 includes a vertical plate 31, a top plate 32, and a bottom plate 33. The upper end of the vertical plate 31 is hinged to the top plate 32, and the lower end is bent backward to form the bottom plate 33; bolt mounting holes are provided on the top plate 32, the bottom plate 33, the pressure plate 4, and the U-shaped buckle 5.

[0052] The top plate 32 can be rotated up and down relative to the vertical plate 31, giving the Z-shaped bracket 3 a certain angle adjustment capability. During installation, the tilt angle of the photovoltaic module 2 can be finely adjusted according to the actual terrain or the tension of the cable 11, which improves the adaptability of the bracket to complex terrain and enhances the installation flexibility. It is especially suitable for installation environments with uneven ground or uneven tension of the cable 11.

[0053] In the above connection structure, the upper end of the upright plate 31 is provided with a groove 3101, and the rear end of the top plate 32 is provided with a protrusion 3201. The protrusion 3201 is located inside the groove 3101 and is hinged by a pivot 34.

[0054] This structure enables a hinged connection between the vertical plate 31 and the top plate 32, and also ensures that the top plate 32 maintains lateral stability during rotation, preventing lateral displacement and improving the durability and wind load resistance of the hinged joint. The fit between the groove 3101 and the protrusion 3201 restricts the degree of freedom of the top plate 32, ensuring smooth and reliable rotation and extending the service life of the hinged structure.

[0055] In actual application, the above connection structure requires manual pushing of the photovoltaic module 2 along the cable 11 to adjust the installation position of the photovoltaic module 2, and then tightening it after it has slid into place.

[0056] To reduce sliding resistance, two rows of ball bearings 35 are arranged at the bottom of the base plate 33, parallel to the cable body 11; the top of the cable body 11 is positioned between the two rows of ball bearings 35 and rolls in contact with them. This reduces the frictional resistance when the Z-shaped bracket 3 slides along the cable body 11, allowing the Z-shaped bracket 3 to slide easily on the cable body 11, facilitating the rapid adjustment of the photovoltaic module 2 to the target position during installation. Especially in sites with long spans or steep slopes, this rolling structure greatly improves installation efficiency and operational safety, while reducing manpower consumption.

[0057] In this structure, a ball groove 3301 is provided at the bottom of the base plate 33, corresponding to the position of the ball 35. The ball 35 is embedded in the ball groove 3301 and forms a rolling engagement with it (that is, three-quarters of the ball 35 is built into the ball groove 3301, and the rest is external). The ball groove 3301 plays a role in limiting and supporting the ball 35, preventing it from shifting or falling off during operation, and ensuring that the ball 35 always maintains good contact with the cable body 11.

[0058] Furthermore, the inner surface of the U-shaped buckle 5 is provided with a friction-reducing coating, which is a polytetrafluoroethylene coating or a coating of other low-friction coefficient materials. The friction-reducing coating further reduces the frictional resistance between the cable body 11 and the U-shaped buckle 5, which not only helps the cable body 11 to be subjected to uniform force during tensioning, reducing local wear and extending the service life of the cable body 11, but also works in synergy with the ball bearings 35 to doubly reduce sliding resistance, making the movement of the aforementioned support on the cable body 11 smoother and improving the overall installation efficiency.

[0059] In the above connection structure, the bottom surface of the pressure plate 4 is provided with anti-slip texture. The texture can be strip, grid or serrated, which is used to increase the friction between the pressure plate 4 and the edge of the photovoltaic module 2, prevent the photovoltaic module 2 from sliding or displacing under wind vibration, temperature change or external impact, improve the firmness of the module installation and the safety of system operation, ensure the stability of the module position during long-term use, and avoid the decrease in power generation efficiency or structural damage caused by loosening.

[0060] In addition, the Z-shaped bracket 3 located at the rear end of the photovoltaic module 2 is provided with a reinforcing rib 301 on its side, which improves the structural strength and bending stiffness of this part and prevents the bracket from deforming or fatigue fracture under long-term load.

[0061] The method of using the connection structure for flexible photovoltaic brackets according to this utility model is as follows:

[0062] First, the cable body 11 is laid out along a north-south direction, with both ends fixed relative to the ground. The photovoltaic module 2 is installed onto the cable body 11 via a Z-shaped bracket 3. During installation, the top of the Z-shaped bracket 3 is bolted to the photovoltaic module 2. Then, the Z-shaped bracket 3 is placed on top of the cable body 11. Subsequently, a U-shaped buckle 5 is bolted to the bottom of the Z-shaped bracket 3, confining the cable body 11 between the Z-shaped bracket 3 and the U-shaped buckle 5. At this time, the connecting bolts between the Z-shaped bracket 3 and the U-shaped buckle 5 are not tightened, allowing the cable body 11 to slide relative to each other within the groove of the U-shaped buckle 5. After installation, the bottom of the ball bearing 35 contacts the top of the cable body 11, and the cable body 11 is located inside the groove of the U-shaped buckle 5. The installer can then push the photovoltaic module 2 along the cable body 11, during which the ball bearing 35 rolls on the surface of the cable body 11. Once the photovoltaic module 2 is in place, tighten the connecting bolts of the Z-shaped bracket 3 and the U-shaped cable buckle 5, so that the cable body 11 is clamped and fixed between the Z-shaped bracket 3 and the U-shaped cable buckle 5. At this time, as Figure 6 As shown, the ball bearing 35 presses downward against the top of the cable body 11, fixing the cable body 11 to the U-shaped buckle 5.

[0063] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A connection structure for flexible photovoltaic support, characterized in that: It includes north-south oriented load-bearing cables (1), photovoltaic modules (2), and Z-shaped brackets (3), among which, The north-south load-bearing cable (1) includes two parallel cable bodies (11), which are located below the left and right sides of the photovoltaic module (2), respectively. The Z-shaped brackets (3) are fixed on the left and right sides of the rear end and the left and right sides of the front end of the photovoltaic module (2). The bottom of the Z-shaped bracket (3) is fixed to the north-south load-bearing cable (1) on the corresponding side; The overall height of the Z-shaped bracket (3) at the rear end of the photovoltaic module (2) is greater than the overall height of the Z-shaped bracket (3) at the front end, so that the photovoltaic module (2) forms an installation tilt angle that faces south.

2. The connection structure for a flexible photovoltaic support as described in claim 1, characterized in that: The top of the Z-shaped bracket (3) is fixed with a pressure plate (4) by bolts, and the bottom is fixed with a U-shaped buckle (5) by bolts. The edge region of the photovoltaic module (2) is clamped and fixed between the Z-shaped bracket (3) and the pressure plate (4); The cable (11) is clamped and fixed between the Z-shaped bracket (3) and the U-shaped buckle (5).

3. The connection structure for a flexible photovoltaic support as described in claim 2, characterized in that: The Z-shaped bracket (3) includes a vertical plate (31), a top plate (32), and a bottom plate (33), wherein, The upper end of the upright plate (31) is bent forward to form the top plate (32), and the lower end is bent backward to form the bottom plate (33). Bolt mounting holes are provided on the top plate (32), the bottom plate (33), the pressure plate (4), and the U-shaped buckle (5).

4. The connection structure for a flexible photovoltaic support as described in claim 2, characterized in that: The Z-shaped bracket (3) includes a vertical plate (31), a top plate (32), and a bottom plate (33), wherein, The upper end of the vertical plate (31) is hinged to the top plate (32) at the front, and the lower end is bent backward to form the bottom plate (33). Bolt mounting holes are provided on the top plate (32), the bottom plate (33), the pressure plate (4), and the U-shaped buckle (5).

5. A connection structure for a flexible photovoltaic support as described in claim 4, characterized in that: The upper end of the upright plate (31) is provided with a groove (3101), and the rear end of the top plate (32) is provided with a protrusion (3201). The protrusion (3201) is located inside the groove (3101) and is hinged by a pivot (34).

6. A connection structure for a flexible photovoltaic support as described in claim 3 or 4, characterized in that: The bottom of the base plate (33) is provided with two rows of ball bearings (35), wherein, The two rows of balls (35) are parallel to the cable body (11); The top of the cable (11) is located between the two rows of balls (35) and rolls in cooperation.

7. A connection structure for a flexible photovoltaic support as described in claim 6, characterized in that: The bottom of the base plate (33) is provided with a ball groove (3301) at the position corresponding to the ball (35), wherein... The ball (35) rolls in conjunction with the ball groove (3301).

8. A connection structure for a flexible photovoltaic support as described in claim 6, characterized in that: The inner surface of the U-shaped buckle (5) is provided with a friction-reducing coating.

9. A connection structure for a flexible photovoltaic support as described in claim 2, characterized in that: The bottom surface of the pressure plate (4) is provided with anti-slip texture.

10. A connection structure for a flexible photovoltaic support as described in claim 2, characterized in that: A reinforcing rib (301) is provided on the side of the Z-shaped bracket (3) located at the rear end of the photovoltaic module (2).

Images